Average Co-Inventor Count = 3.43
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Alteron Incorporated (1 from 2 patents)
2. Jamieson Film Company (1 from 2 patents)
2 patents:
1. 4978340 - Syringe with retractable needle
2. 4929976 - Film transport system